Features: Wide Range: Covers a 50-foot range with low power consumption, effectively stopping barking from both your dog and neighbors' dogs. Easy to use with adjustable sensitivity levels to suit your dog's unique needs. Training Dog: The dogs trainers can effectively trains your dogs to be obedient and stop some unwanted behaviors, such as barking, digging, chewing and more. Simple & Portable: LED Ultrasonic Dog Repeller capable of sending a message to approaching dogs before they become aggressive. This device can be used anywhere - jogging or walking, cycling, at the parks, in the car, at beach etc Multi-Functional: It can also prevent you from dog attacks, fit for training many kinds of dogs, such as pets, shepherding, suitable for outdoor work, travel Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: PC/ABS Diameter: 11.1*8.5*4CM Included Accessories: Instruction manual, Type-C charging cable Battery Capacity: 1200mAh Battery Type: Polymers Operating Current: 500mA Charging Voltage: 5V Continuous Working Time: 2 hours Motor Speed: 15000rpm LED Type: LED Ultrasonic Power: 20-30kHz Charging Time: 40 minutes Package List: 1 x Ultrasonic Bark Deterrent Dog Training Device